Surah Az-Zukhruf (The Ornaments of Gold), Verse 24

قٰلَ اَوَلَوْ جِئْتُكُمْ بِاَهْدٰی مِمَّا وَجَدْتُّمْ عَلَیْهِ اٰبَآءَكُمْ قَالُوْۤا اِنَّا بِمَاۤ اُرْسِلْتُمْ بِهٖ كٰفِرُوْنَ ۟

Qaala awa law ji'tukum bi ahdaa mimmaa wajatdtum 'alaihi aabaaa'akum qaalooo innaa bimaaa ursiltum bihee kaafiroon

“He said: "What! Even if I brought you better guidance than that which ye found your fathers following?" They said: "For us, we deny that ye (prophets) are sent (on a mission at all)."”

Quran 43:24 (Yusuf Ali Translation)